Question: Which acid anhydride with the lowest electrical conductivity whose has a part of carbon?
Paraphrase: Name the acid anhydride that has the smallest electrical conductivity, and also has a pert of carbon.
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q423118 . ?ent wdt:P2055 ?obj . ?ent wdt:P527 wd:Q623. } ORDER BY ASC(?obj)LIMIT 5